Cross-Regulation in Vibrio parahaemolyticus: Compensatory Activation of Polar Flagellar Genes by the Lateral Flagellar Regulator LafK

AUTOR(ES)

Kim, Yun-Kyeong

FONTE

American Society for Microbiology

RESUMO

Gene organization and hierarchical regulation of the polar flagellar genes of Vibrio parahaemolyticus, Vibrio cholerae, and Pseudomonas aeruginosa appear highly similar, with one puzzling difference. Two σ54-dependent regulators are required to direct different classes of intermediate flagellar gene expression in V. cholerae and P. aeruginosa, whereas the V. parahaemolyticus homolog of one of these regulators, FlaK, appears dispensable. Here we demonstrate that there is compensatory activation of polar flagellar genes by the lateral flagellar regulator LafK.

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